<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>视口-聚焦</title>
</head>

<body>
  <button id="focus_node1">聚焦节点1</button>
  <button id="focus_node2">聚焦节点2</button>
  <div id="mountNode"></div>
  <script src="../build/g6.js"></script>
  <script>
    const data = {
      nodes: [{
        id: 'node1',
        x: 100,
        y: 200,
        label: '节点1',
      }, {
        id: 'node2',
        x: 300,
        y: 200,
        label: '节点2',
      }],
      edges: [{
        id: 'edge1',
        target: 'node2',
        source: 'node1'
      }]
    };
    const graph = new G6.Graph({
      container: 'mountNode',
      fitView: 'cc',
      height: window.innerHeight,
      fitView: 'cc'
    });
    graph.read(data);

    document.getElementById('focus_node1').onclick = () => {
      graph.focus('node1');
    };
    document.getElementById('focus_node2').onclick = () => {
      graph.focus('node2');
    };
  </script>
</body>
</html>
